<script setup lang="ts">
import { request } from '@/apis';
import { closeToast, showLoadingToast, showToast, type ActionSheetAction } from 'vant';
import { onMounted, ref } from 'vue';
// 把 base64 转换成 blob 二进制数据对象
import base64ToBlob from 'b64-to-blob'

interface PickerData {
  selectedValues: string[]
}

// 是否显示动作面板（半模态弹窗）
const showAvatarSheet = ref(false)

// 菜单文字
const actions = [{ name: "相册" }, { name: "拍照" }]

// 选择菜单时触发
const onSelectAvatar = async (item: ActionSheetAction) => {
  let dataStr = ''
  if (item.name === '相册') {
    dataStr = await mk.pickerPhoto()
    onUpdateAvatar(dataStr)
  } else if (item.name === '拍照') {
    dataStr = await mk.pickerCamera()
    onUpdateAvatar(dataStr)
  }
}

// 头像上传
const onUpdateAvatar = async (data: string) => {
  try {
    showAvatarSheet.value = false
    showLoadingToast({ message: '上传中...', duration: 0, forbidClick: true })
    // 把 base64 字符串转换
    const image = base64ToBlob(data, 'image/jpeg')
    // 后端要求传递 FormData 数据
    const fd = new FormData()
    // 按文档要求准备参数
    fd.append('file', image, Date.now() + '.jpeg')
    const res = await request.post<MkResponse<{ avatar: string }>>(
      'member/profile/avatar',
      fd
    )
    console.log('上传头像成功', res.data)
    // 更新表单的数据
    profile.value.avatar = res.data.result.avatar
    // 查询原生鸿蒙的用户信息
    const user = mk.queryUser()
    // 更新原生鸿蒙的用户信息
    user.avatar = profile.value.avatar
    mk.updateUser(user)
    showToast({ message: '上传成功' })
  } catch {
    showToast({ message: '上传失败' }) // bug -- 待修复
  }
  closeToast()
}

// 是否显示生日弹层
const showBirthdayPopup = ref(false)

// date-picker 组件的日期格式为数组 ['YYYY','MM','DD']
const birthday = ref(['', '', ''])
// 确定生日时触发
const onSelectedBirthday = (date: { selectedValues: string[] }) => {
  showBirthdayPopup.value = false
  // 把 selectedValues 转换成字符串，用于后端表单提交
  profile.value.birthday = date.selectedValues.join('-')
}

// 职业数据
const columns = [
  // text 呈现给用户看，value 提交给后端用
  { text: '软件工程师', value: '软件工程师' },
  { text: '医生', value: '医生' },
  { text: '教师', value: '教师' },
  { text: '律师', value: '律师' },
  { text: '会计师', value: '会计师' },
  { text: '销售经理', value: '销售经理' },
  { text: '市场营销专员', value: '市场营销专员' },
  { text: '建筑师', value: '建筑师' },
  { text: '护士', value: '护士' },
  { text: '机械工程师', value: '机械工程师' },
]

// 是否显示职业弹层
const showProfessionPopup = ref(false)

// 确定职业时触发
const onSelectedProfession = (data: PickerData) => {
  showProfessionPopup.value = false
  profile.value.profession = data.selectedValues[0]
}
// 选择所在地
const areaColumns = ref<AreaColumns>({} as AreaColumns)
const showAreaPopup = ref(false)
onMounted(async () => {
  const data = await mk.getAreaColumns()
  areaColumns.value = data
})
const onSelectedArea = (data: { selectedOptions: { text: number }[], selectedValues: string[] }) => {
  showAreaPopup.value = false
  // 后端：表单提交时要求的是 省市区的编码
  profile.value.provinceCode = data.selectedValues[0]
  profile.value.cityCode = data.selectedValues[1]
  profile.value.countyCode = data.selectedValues[2]
  // 前端：界面展示是 省市区的 文本拼接
  profile.value.fullLocation = data.selectedOptions.map(v => v.text).join('-')
}

const profile = ref<ProfileInfo>({} as ProfileInfo)
// 数据回显
onMounted(async () => {
  // 加载弹窗
  showLoadingToast({ message: '加载中...', duration: 0, forbidClick: true })
  // 获取数据
  const res = await request.get<MkResponse<ProfileInfo>>('/member/profile')
  // 保存数据
  profile.value = res.data.result
  // 后端数据格式与前端组件的格式不一致，需要按组件要求转换数据格式
  // 转换保存生日模板，按 date-picker 要求准备默认值展示
  birthday.value = profile.value.birthday.split('-')
  // 关闭弹窗
  closeToast()
})

const loading = ref(false)
const onsubmit = async () => {
  // 开启按钮的加载状态
  loading.value = true
  // 发送请求，更新服务器数据
  const res = await request.put<MkResponse<ProfileInfo>>(
    '/member/profile',
    profile.value
  )
  // 关闭按钮的加载状态
  loading.value = false
  // 更新原生鸿蒙应用的用户头像和昵称
  const userInfo = mk.queryUser()
  userInfo.avatar = profile.value.avatar
  userInfo.nickname = profile.value.nickname
  mk.updateUser(userInfo)
  // 成功提示
  showToast({ message: res.data.msg })
}
</script>
<template>
  <div class="profile-edit-page">
    <!-- 头像部分 -->
    <div class="avatar">
      <van-image @click="showAvatarSheet = true" round width="100" height="100" class="avatar-img"
        :src="profile.avatar">
      </van-image>
      <div class="avatar-btn">
        <span @click="showAvatarSheet = true">修改头像</span>
      </div>
    </div>

    <!-- 动作面板组件，类似鸿蒙的半模态弹窗 -->
    <van-action-sheet v-model:show="showAvatarSheet" :actions="actions" @select="onSelectAvatar" cancel-text="取消"
      close-on-click-action :style="{ paddingBottom: 20 }" />

    <!-- 中间表单部分 -->
    <van-cell-group>
      <van-field v-model="profile.account" label="账号" readonly></van-field>
      <van-field v-model="profile.nickname" label="昵称" placeholder="请输入昵称"></van-field>
      <van-cell v-model="profile.gender" title="性别" class="gender">
        <van-radio-group v-model="profile.gender" :icon-size="16">
          <van-radio name="男">男</van-radio>
          <van-radio name="女">女</van-radio>
          <van-radio name="未知">未知</van-radio>
        </van-radio-group>
      </van-cell>
      <van-field v-model="profile.birthday" @click="showBirthdayPopup = true" label="生日" readonly
        placeholder="请选择日期"></van-field>
      <van-field v-model="profile.fullLocation" @click="showAreaPopup = true" label="所在地" readonly
        placeholder="请选择所在地"></van-field>
      <van-field v-model="profile.profession" @click="showProfessionPopup = true" label="职业" readonly
        placeholder="请选择职业"></van-field>
    </van-cell-group>

    <div class="submit">
      <van-button @click="onsubmit" :loading="loading" :disabled="loading" round block type="primary">
        保存资料
      </van-button>
    </div>

    <!-- 弹层，带圆角，位置为底部 -->
    <van-popup v-model:show="showBirthdayPopup" round position="bottom">
      <!-- 日期选择器 -->
      <van-date-picker v-model="birthday" title="选择日期" @cancel="showBirthdayPopup = false" @confirm="onSelectedBirthday"
        :min-date="new Date('1980-01-01')" :max-date="new Date()" />
    </van-popup>
    <!-- 弹层，带圆角，位置为底部 -->
    <van-popup v-model:show="showProfessionPopup" round position="bottom">
      <!-- 通用选择器 - 职业 -->
      <van-picker title="选择职业" :columns="columns" @cancel="showProfessionPopup = false"
        @confirm="onSelectedProfession" />
    </van-popup>
    <!-- 弹层，带圆角，位置为底部 -->
    <van-popup v-model:show="showAreaPopup" round position="bottom">
      <!-- 省市区选择器 -->
      <van-area title="选择省市区" :area-list="areaColumns" @cancel="showAreaPopup = false" @confirm="onSelectedArea" />
    </van-popup>
    <p>{{ profile }}</p>
  </div>
</template>
<style lang="css" scoped>
.avatar {
  padding: 30px;
  text-align: center;
  background-color: var(--mk-white);
}

.avatar-img {
  box-shadow: 0 0 5px var(--mk-gray);
}

.avatar-btn {
  color: var(--mk-linear_end);
  margin-top: 10px;
}

.gender ::v-deep(.van-cell__title) {
  width: 100px;
  flex: none;
}

.van-radio-group {
  display: flex;
  justify-content: space-between;
  height: 36px;
  width: 180px;
}

.submit {
  padding: 16px;
}
</style>